package org.apache.thrift.server; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.ArrayList; import java.util.Collection; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.thrift.TException; import org.apache.thrift.TProcessor; import org.apache.thrift.protocol.TProtocol; import org.apache.thrift.protocol.TProtocolFactory; import org.apache.thrift.transport.TIOStreamTransport; import org.apache.thrift.transport.TTransport; /** * Servlet implementation class ThriftServer */ public class TServlet extends HttpServlet { private final TProcessor processor; private final TProtocolFactory inProtocolFactory; private final TProtocolFactory outProtocolFactory; private final Collection<Map.Entry<String, String>> customHeaders; /** * @see javax.servlet.http.HttpServlet#HttpServlet() */ public TServlet(TProcessor processor, TProtocolFactory inProtocolFactory, TProtocolFactory outProtocolFactory) { super(); this.processor = processor; this.inProtocolFactory = inProtocolFactory; this.outProtocolFactory = outProtocolFactory; this.customHeaders = new ArrayList<Map.Entry<String, String>>(); } /** * @see javax.servlet.http.HttpServlet#HttpServlet() */ public TServlet(TProcessor processor, TProtocolFactory protocolFactory) { this(processor, protocolFactory, protocolFactory); } /** * @see javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse * response) */ @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { TTransport inTransport = null; TTransport outTransport = null; try { response.setContentType("application/x-thrift"); if (null != this.customHeaders) { for (Map.Entry<String, String> header : this.customHeaders) { response.addHeader(header.getKey(), header.getValue()); } } InputStream in = request.getInputStream(); OutputStream out = response.getOutputStream(); TTransport transport = new TIOStreamTransport(in, out); inTransport = transport; outTransport = transport; TProtocol inProtocol = inProtocolFactory.getProtocol(inTransport); TProtocol outProtocol = outProtocolFactory.getProtocol(outTransport); processor.process(inProtocol, outProtocol); out.flush(); } catch (TException te) { throw new ServletException(te); } } /** * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse * response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } public void addCustomHeader(final String key, final String value) { this.customHeaders.add(new Map.Entry<String, String>() { public String getKey() { return key; } public String getValue() { return value; } public String setValue(String value) { return null; } }); } public void setCustomHeaders(Collection<Map.Entry<String, String>> headers) { this.customHeaders.clear(); this.customHeaders.addAll(headers); } }